CN111299065A - Liquid level adjusting mechanism and transfer type coating machine - Google Patents
Liquid level adjusting mechanism and transfer type coating machine Download PDFInfo
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- CN111299065A CN111299065A CN202010208322.0A CN202010208322A CN111299065A CN 111299065 A CN111299065 A CN 111299065A CN 202010208322 A CN202010208322 A CN 202010208322A CN 111299065 A CN111299065 A CN 111299065A
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- liquid level
- adjusting
- baffle
- trough
- coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/086—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 a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0873—Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work
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- 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
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- 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
Abstract
The invention belongs to the technical field of lithium ion batteries, and particularly discloses a liquid level adjusting mechanism and a transfer type coating machine. The liquid level regulating mechanism comprises a material groove; the adjusting baffle is movably arranged in the material groove and divides the material groove into a first material groove and a second material groove with variable volumes, the first material groove is close to a combined surface of the scraper roller and the coating roller, and the adjusting baffle is configured to be capable of adjusting the liquid level in the first material groove so as to maintain the liquid level at a preset liquid level. The transfer type coating machine comprises the liquid level adjusting mechanism. The liquid level adjusting mechanism and the transfer type coating machine can realize the adjustment of the liquid level height of the slurry in the first material tank in the coating process, ensure that the liquid level height is constantly maintained at the preset liquid level height in the coating process, keep the pressure at the joint surface of the scraper roller and the coating roller constant, improve the coating effect, further ensure the stable density of the pole piece surface and improve the product quality.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a liquid level adjusting mechanism and a transfer type coating machine.
Background
With the continuous progress of the lithium ion battery preparation technology, the requirements of people on the performance of lithium ions are higher and higher, the process technology of the lithium ion battery is basically mature, the control and research of the manufacturing process of the lithium ion battery become the key quality competition points of various enterprises, the coating process is an important process in the manufacturing process of the lithium ion battery and is also a key process influencing the quality of the lithium ion battery, the process needs to uniformly coat slurry of the lithium ion battery on a current collector of the lithium ion battery, and the coating uniformity and the stability are particularly important.
Compared with an extrusion type coating machine, the transfer type coating machine has low requirement on the viscosity of the slurry, coating parameters are easy to adjust, the problem of material blockage is avoided, and the like, so that the transfer type coating machine is favored by people. However, the existing transfer coater has the following problems: when the slurry is close to the coating tail sound, because the slurry mobility is poor, a material groove baffle needs to be manually filled in a material groove of the coating machine, and the material groove baffle is placed on the wall of the material groove to improve the liquid level height of the tail material, so that the operation is relatively complicated; even if the slurry liquid level in the trough is kept above the joint surface of the scraper roller and the coating roller during the coating process, the pressure of the joint surface of the scraper roller and the coating roller is always changed due to the unstable slurry liquid level, and finally the surface density of the coated pole piece is unstable, thus affecting the product quality.
Disclosure of Invention
The invention aims to provide a liquid level adjusting mechanism which can adjust the liquid level in a first material tank in the coating process, ensure that the liquid level is constantly maintained at the preset liquid level and ensure that the surface density of a pole piece is stable.
Another object of the present invention is to provide a transfer coater, which can improve the coating effect and improve the product quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
a liquid level adjustment mechanism comprising:
a trough;
the adjusting baffle is movably arranged in the material groove and divides the material groove into a first material groove and a second material groove with variable volumes, the first material groove is close to a joint surface of the scraper roller and the coating roller, and the adjusting baffle is configured to be capable of adjusting the liquid level in the first material groove so as to maintain the liquid level at a preset liquid level.
As a preferable technical scheme of the liquid level adjusting mechanism, the liquid level adjusting mechanism further comprises a liquid level detecting element arranged on the side wall of the trough, the liquid level detecting element is used for detecting the liquid level height in the first trough, and the adjusting baffle can rotate towards or away from the combining surface according to the liquid level height.
As a preferable technical solution of the above liquid level adjusting mechanism, the liquid level adjusting mechanism further comprises a driving element disposed on the side wall of the trough, the driving element is electrically connected with the liquid level detecting element, and the driving element is connected with the adjusting baffle.
As a preferred technical scheme of the liquid level adjusting mechanism, the adjusting baffle comprises a body, and the bottom of the body is provided with a rotating part connected with the trough.
As a preferable technical solution of the liquid level adjusting mechanism, the adjusting baffle further includes a check valve assembly disposed on the body, and the check valve assembly is configured to be able to conduct or block the first material tank and the second material tank.
As a preferable technical solution of the above liquid level adjusting mechanism, the check valve assembly includes a valve plate and a flow hole, the flow hole is provided on the body, and the valve plate is slidably connected to the body and can open or close the flow hole.
As a preferred technical solution of the above liquid level adjusting mechanism, the valve plate includes a door plate portion and a sliding limiting portion, one end of the sliding limiting portion is connected with the door plate portion, and the other end is slidably connected to the body.
As a preferred technical solution of the above liquid level adjusting mechanism, one end of the sliding limiting portion, which is far away from the door panel portion, is provided with a limiting blocking piece for preventing the sliding limiting portion from slipping off the body.
As an optimal technical scheme of the liquid level adjusting mechanism, the body is provided with an accommodating groove, the accommodating groove is used for accommodating the valve plate, and the bottom of the accommodating groove is provided with the circulation hole.
A transfer type coating machine comprises the liquid level adjusting mechanism.
Compared with the prior art, the invention has the beneficial effects that:
according to the liquid level adjusting mechanism provided by the invention, the rotatable adjusting baffle is arranged in the material groove, so that the liquid level height of the slurry in the first material groove is adjusted in the coating process, the liquid level height is kept constant at the preset liquid level height in the coating process, the pressure at the joint surface of the scraper roller and the coating roller is kept constant, the coating effect is improved, the stable surface density of the pole piece is ensured, and the product quality is improved.
The transfer type coating machine provided by the invention comprises the liquid level adjusting mechanism, so that the coating effect can be improved, the stable surface density of the pole piece is ensured, and the product quality is improved.
Drawings
FIG. 1 is a schematic structural diagram of a liquid level adjusting mechanism according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an adjusting baffle according to a second embodiment of the present invention;
fig. 3 is a schematic view of an adjustment principle of an adjustment baffle according to a second embodiment of the present invention.
The figures are labeled as follows:
1-a trough; 11-a first trough; 12-a second trough;
2-adjusting the baffle; 21-body; 22-a turning part; 23-a one-way valve assembly; 231-a valve plate; 232-flow-through holes;
3-a liquid level detection element; 4-a drive element; 5-a doctor roll; 6-coating roll; 7-connecting the components.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
This embodiment provides a liquid level adjustment mechanism, as shown in fig. 1, this liquid level adjustment mechanism mainly includes silo 1 and adjusting stop 2, adjusting stop 2 rotates to set up and separates silo 1 for first silo 11 and second silo 12 that the volume is changeable in silo 1, first silo 11 is close to the faying face of scraper roller 5 and coating roll 6, the thick liquids of splendid attire are used for directly coating the battery mass collector in first silo 11, the thick liquids of splendid attire are used for carrying out the thick liquids supply to first silo 11 in second silo 12, adjusting stop 2 is configured as the liquid level that can adjust in first silo 11 so that it maintains at preset liquid level.
The liquid level adjustment mechanism that this embodiment provided through set up rotatable adjusting stop 2 in silo 1, realizes the coating in-process to the regulation of the liquid level height of thick liquids in first silo 11, guarantees that the coating in-process liquid level height invariant maintains and predetermines liquid level height for the pressure of the faying face department of scraper roller 5 and coating roll 6 keeps invariable, thereby guarantees that pole piece areal density is stable, improves product quality.
Furthermore, the bottom of the adjusting baffle 2 is rotatably connected with the trough 1, and during the rotation process, the bottom and two opposite sides of the adjusting baffle 2 are always in abutting contact with the inner surface of the trough 1, so that the slurry can only flow between the first trough 11 and the second trough 12 from the upper part of the adjusting baffle 2.
In order to realize the adjusting function of the adjusting baffle 2 to the liquid level, the liquid level adjusting mechanism in the embodiment further comprises a liquid level detecting element 3, a driving element 4 and a control unit, wherein the liquid level detecting element 3 is arranged on the inner side wall of the trough 1, the driving element 4 is arranged on the outer side wall of the trough 1, the driving element 4 is electrically connected with the liquid level detecting element 3, and the driving element 4 is connected with the adjusting baffle 2. The liquid level detection element 3 is used for detecting the liquid level height in the first trough 11 and feeding back the detected signal to the controller, and the controller compares the feedback signal with the stored preset liquid level height and controls the driving element 4 to rotate clockwise or anticlockwise according to the comparison result, so that the adjusting baffle 2 is driven to rotate towards or away from the coating roller 6 to adjust the liquid level height in the first trough 11, and the liquid level height is always maintained at the preset liquid level height. The liquid level adjustment mechanism that this embodiment provided has realized the automatic regulating function to thick liquids liquid level height real time monitoring and adjusting the baffle 2 through setting up liquid level detection component 3 and drive element 4 to guarantee the invariant of liquid level height among the first silo 11 of coating process, and then guarantee the invariant of the faying face department pressure of scraper roller 5 and coating roller 6, guarantee that pole piece surface density is stable.
Preferably, the liquid level detection element 3 is arranged in the first trough 11 only, so that the purpose of monitoring the liquid level in real time is achieved, and the cost investment is reduced.
Alternatively, the control unit may be integrated in the driving element 4, or may be a separate structure, and this embodiment is not particularly limited. Reference is made to the prior art with regard to the arrangement of the electrically controlled connection between the control unit and the level detection element 3 and the drive element 4, which is not the focus of the present invention.
Illustratively, the adjusting baffle 2 is located at a side far from the coating roller 6 in an initial state, at this time, the volume of the first trough 11 is at an adjustable maximum value, the volume of the second trough 12 is at an adjustable minimum value, the initial liquid level height of the slurry in the first trough 11 is not higher than a preset liquid level height, the liquid level detecting element 3 monitors the liquid level height and feeds the liquid level height back to the driving element 4 through the control unit, so that the adjusting baffle 2 rotates towards the coating roller 6 in the coating process, the volume of the first trough 11 is reduced, and the liquid level height in the first trough 11 rises to adjust the liquid level height in the first trough 11 to be maintained at the preset liquid level height. If the initial liquid level height of the slurry in the first trough 11 is not limited, the liquid level detection element 3 monitors the liquid level height and feeds back the liquid level height to the driving element 4 through the control unit, and then the adjusting baffle 2 rotates in a reciprocating manner to automatically adjust the liquid level height of the first trough 11 to maintain the preset liquid level height.
In this embodiment, the adjusting damper 2 includes a flat plate-shaped body 21, and a rotating portion 22 connected to the trough 1 is provided at the bottom of the body 21. Preferably, the rotating portion 22 may be a rotating pin shaft respectively disposed at two ends of the body 21 along the length direction of the body 21, two opposite groove walls of the trough 1 are correspondingly provided with grooves, and the rotating pin shaft is rotatably disposed in the grooves to realize the rotating connection between the adjusting baffle 2 and the trough 1.
For improving adjusting baffle 2's rotation performance, the end arris of body 21 sets up to hemispherical rotation edge for adjusting baffle 2 is line contact with silo 1's contact, and foretell two rotation pin axles set up respectively at the relative both ends of rotation edge.
The liquid level adjusting mechanism in this embodiment may further include a connecting assembly 7, and the connecting assembly 7 is used for connecting the driving element 4 and the adjusting baffle 2. Optionally, the connecting assembly 7 is designed as a connecting rod assembly, one end of the connecting rod assembly is connected with the driving element 4, the other end of the connecting rod assembly is connected with the adjusting baffle 2, and the driving connection between the driving element 4 and the adjusting baffle 2 is conveniently realized by arranging the connecting assembly 7. Further, link assembly includes first connecting rod and second connecting rod, and the one end of first connecting rod links firmly in drive element 4, and the other end rotates and connects in the one end of second connecting rod, and the other end of second connecting rod rotates and connects in adjusting the baffle 2, and under this structure, drive element 4 can be through link assembly drive adjusting the baffle 2 and rotate, simple structure easily realizes. In other embodiments, the connecting assembly 7 may also be in other forms of connecting structures, as long as the driving connection between the driving element 4 and the adjusting baffle 2 can be achieved, and this embodiment is not illustrated.
Example two
The present embodiment provides a liquid level adjusting mechanism, which is different from the liquid level adjusting mechanism in the first embodiment in that:
as shown in fig. 2, the adjusting damper 2 in the present embodiment further includes a check valve assembly 23 disposed on the body 21, and the check valve assembly 23 is configured to open or close the first trough 11 and the second trough 12. In this embodiment, the battery slurry may flow between the first tank 11 and the second tank 12 through the check valve assembly 23.
Specifically, the check valve assembly 23 includes a valve plate 231 and a flow hole 232, the flow hole 232 is disposed on the body 21, and the valve plate 231 is slidably connected to the body 21 and can open or close the flow hole 232 to achieve the flow or block of the slurry. The shape of the valve plate 231 and the number of the flow holes 232 need to be designed according to actual requirements, and optionally, in the present embodiment, the valve plate 231 is designed as a circular plate, and the four flow holes 232 are uniformly arranged around the center line of the valve plate 231. In other embodiments, the valve plate 231 may also be configured to be square, oval or other shapes, and the number and distribution of the flow holes 232 may also be specifically designed according to the shape and size of the valve plate 231, which is not illustrated in this embodiment.
Further preferably, the valve plate 231 includes a door plate portion and a sliding limiting portion, one end of the sliding limiting portion is connected to the door plate portion, and the other end is slidably connected to the body 21. In actual installation, the valve plate 231 is disposed on the side of the body 21 facing the first trough 11, so that the opening direction of the check valve assembly 23 is consistent with the liquid replenishing direction of the second trough 12 to the first trough 11.
In this embodiment, the liquid level detecting elements 3 are provided in two, are respectively disposed on the inner side walls of the first trough 11 and the second trough 12, and are respectively used for detecting the liquid level in the first trough 11 and the second trough 12, and control the rotating direction of the driving element 4 through the control unit, so that the adjusting baffle 2 is rotated in a reciprocating manner to adjust the liquid level in the first trough 11.
Illustratively, as shown in fig. 3, when the liquid level detecting element 3 in the first tank 11 detects that the liquid level is insufficient, the driving element 4 drives the adjusting baffle 2 to rotate towards the direction of the coating roller 6, the valve plate 231 of the check valve assembly 23 is kept closed due to the forward resistance of the slurry, at this time, the slurry is added into the second tank 12, so that the adjusting baffle 2 rotates towards the direction far away from the coating roller 6 when the liquid level reaches the preset liquid level, and the valve plate 231 is opened due to the reverse pressure of the slurry, so that the slurries in the two slurry tanks 1 are communicated through the through hole 232, thereby ensuring the stability of the liquid level.
Preferably, one end of the sliding limiting portion away from the door panel portion is provided with a limiting stop sheet for preventing the sliding limiting portion from slipping off the body 21, so as to prevent the valve panel 231 from slipping off the body 21.
For the stability of being connected and the convenience of improvement check valve subassembly 23 with body 21, seted up the holding tank on the body 21, the holding tank is used for holding valve plate 231, and the runner hole 232 has been seted up to the tank bottom of holding tank. More preferably, the thickness of the door plate portion of the valve plate 231 is the same as the groove depth of the accommodating groove, and the structural arrangement makes the outer surface of the door plate portion flush with the surface of the body 21, so as to improve the appearance aesthetic property and integrity of the adjusting baffle 2.
Optionally, a plurality of check valve assemblies 23 may be disposed on the body 21, and in order to improve the uniformity of the slurry flowing and the uniformity of the force applied to the adjusting baffle 2, the check valve assemblies 23 are disposed on the body 21 at equal intervals. In the present embodiment, three sets of check valve assemblies 23 are disposed on the body 21 at equal intervals along the horizontal direction, and it is understood that the number of the check valve assemblies 23 can be designed according to actual requirements, and is not limited to three sets in the present embodiment.
EXAMPLE III
The embodiment provides a transfer type coating machine, which comprises a scraper roller 5, a coating roller 6 and a liquid level adjusting mechanism of the first embodiment or the second embodiment. Scraper roll 5 and coating roll 6 are connected in the frame, and liquid level control mechanism sets up in scraper roll 5 and coating roll 6 faying face department, and scraper roll 5 and coating roll 6 direction of rotation are opposite, and coating roll 6 rotates and makes the thick liquids in silo 1 glue on coating roll 6, scrapes after cutting through scraper roll 5 and scribbles on the battery current collector, realizes the coating to the battery current collector. The transfer type coating machine can improve the coating effect, and the prepared pole piece has stable surface density and high product quality.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A liquid level adjustment mechanism, comprising:
a trough (1);
the adjusting baffle (2) is movably arranged in the material tank (1) and divides the material tank (1) into a first material tank (11) with variable volume and a second material tank (12), the first material tank (11) is close to a joint surface of the scraper roller (5) and the coating roller (6), and the adjusting baffle (2) is configured to be capable of adjusting the liquid level in the first material tank (11) so as to maintain the liquid level at a preset liquid level.
2. The liquid level regulating mechanism according to claim 1, further comprising a liquid level detecting element (3) disposed on a side wall of the tank (1), wherein the liquid level detecting element (3) is used for detecting the liquid level in the first tank (11), and the regulating baffle (2) can rotate towards or away from the combining surface according to the liquid level.
3. The liquid level regulating mechanism according to claim 2, further comprising a driving element (4) arranged on the side wall of the trough (1), wherein the driving element (4) is electrically connected with the liquid level detecting element (3), and the driving element (4) is connected with the regulating baffle (2).
4. The mechanism, as set forth in any of claims 1-3, characterized in that the regulating blind (2) comprises a body (21), the bottom of the body (21) being provided with a rotating part (22) connected to the tank (1).
5. The liquid level adjustment mechanism of claim 4, wherein the adjustment baffle (2) further comprises a one-way valve assembly (23) disposed on the body (21), the one-way valve assembly (23) being configured to be capable of conducting or blocking the first and second troughs (11, 12).
6. The liquid level regulating mechanism according to claim 5, wherein the check valve assembly (23) comprises a valve plate (231) and a flow hole (232), the flow hole (232) is opened on the body (21), and the valve plate (231) is slidably connected on the body (21) and can open or close the flow hole (232).
7. The liquid level regulating mechanism according to claim 6, wherein the valve plate (231) comprises a door plate portion and a sliding limiting portion, one end of the sliding limiting portion is connected with the door plate portion, and the other end of the sliding limiting portion is connected with the body (21) in a sliding manner.
8. The liquid level regulating mechanism according to claim 7, wherein a limit stop is provided at an end of the slide limiting portion away from the door panel portion, for preventing the slide limiting portion from slipping off the body (21).
9. The liquid level regulating mechanism according to claim 6, wherein the body (21) has a receiving groove for receiving the valve plate (231), and the bottom of the receiving groove has the through hole (232).
10. A transfer coater comprising the liquid level adjusting mechanism according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208322.0A CN111299065B (en) | 2020-03-23 | 2020-03-23 | Liquid level adjusting mechanism and transfer type coating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208322.0A CN111299065B (en) | 2020-03-23 | 2020-03-23 | Liquid level adjusting mechanism and transfer type coating machine |
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| CN111299065A true CN111299065A (en) | 2020-06-19 |
| CN111299065B CN111299065B (en) | 2021-11-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403798A (en) * | 2020-08-29 | 2021-02-26 | 许贵真 | Optical cement coating machine and optical cement production line |
| CN114914387A (en) * | 2021-02-09 | 2022-08-16 | 北京好风光储能技术有限公司 | Electrode plate slurry coating process and slurry coating device |
Citations (5)
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| US20120018008A1 (en) * | 2010-07-26 | 2012-01-26 | Samsung Electro-Mechanics Co., Ltd. | Apparatus for supplying source |
| DE102016207741A1 (en) * | 2016-05-04 | 2017-11-09 | Bayerische Motoren Werke Aktiengesellschaft | Tank system of a motor vehicle with a volume change element |
| CN206935702U (en) * | 2017-04-25 | 2018-01-30 | 鹏码新材料（安徽）有限公司 | A kind of gluing liquid level compensator for coating machine |
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| CN112403798A (en) * | 2020-08-29 | 2021-02-26 | 许贵真 | Optical cement coating machine and optical cement production line |
| CN112403798B (en) * | 2020-08-29 | 2022-02-18 | 安徽富印新材料有限公司 | Optical cement coating machine and optical cement production line |
| CN114914387A (en) * | 2021-02-09 | 2022-08-16 | 北京好风光储能技术有限公司 | Electrode plate slurry coating process and slurry coating device |
| CN114914387B (en) * | 2021-02-09 | 2024-04-02 | 好风光储能技术(成都)有限公司 | Electrode slice slurry hanging process and slurry hanging device |
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| CN111299065B (en) | 2021-11-12 |
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